* html #main {
  display: inline;
}

div#content-pane {
  width:100%;
}

div#content-pane div#main {
  float: left;
  width: 580px;
  margin-left:190px;
}

div#content-pane div#side1 {
  float: left;
  width: 180px;
  margin-right:10px;
  margin-left:-770px;
}

div#content-pane div#side2 {
  float: left;
  width: 180px;
  margin-left:10px;
}